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SMETHURST WILLIAM

Overview
  • Total Patents
    12
About

SMETHURST WILLIAM has a total of 12 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets materials and metallurgy and thermal processes are NAT PROCESSES LTD, DELLWIK CARL and RHEINISCH NASSAUISCHE BERGWERK.

Patent filings in countries

World map showing SMETHURST WILLIAMs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 Canada 2
#3 United States 2

Patent filings per year

Chart showing SMETHURST WILLIAMs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Smethurst William 12
#2 Vickers William Edward 2
#3 Rogers Gordon Robert 2
#4 Knowles Edward 1

Latest patents

Publication Filing date Title
GB190507428A Improvements in and relating to Burners for Burning Mixed Gases.
GB190325748A Improvements in Burners for Burning under Water or other Liquids.
CA77317A Treatment of substances with carbon dioxide
US725786A Process of treating substances with nascent carbon dioxid.
CA74815A Ore concentrator
GB190116506A Improvements in and relating to the Treatment of Substances with Nascent Carbon Dioxide to Produce a Chemical Reaction Particularly Applicable for the Production of Borax and Boracic Acid.
GB190012395A An Improved Gravitation Concentrator for Ores and Slimes.
US657138A Furnace.
GB189911894A Improvements in and relating to Furnaces for the Treatment of Refractory and other Ores and Minerals, Animal and Vegetable Refuse or similar Material, and the Recovery therefrom of Bye-products.
GB189907392A Improvements in Vent Pegs for Beer Casks and other Vessels Containing Liquid.
GB189318743A Improvements in Burners and Apparatus for Utilizing the Heat Obtained by the Combustion of an Intimate Mixture of Air with Gas or Inflammable Vapour.
GB189314212A Improvements in Methods of and Apparatus for Applying Combustible Mixtures of Air and Gas or Inflammable Vapour to Driving Motive Power Engines.